Handed back Astro test and went over any questions.
Showed picture of man, asked students to describe what is happening? Is there a lot of activity or not much? What science do you see?
Handed out Everyday Science Explained books - students read blurb.
Discussed vocabulary: indolent, leisure, becalmed, seething
Discussed the science: light from Sun - nuclear fusion, speeds in space, sound waves, electromagnetic spectrum. Demoed how cell phone cameras can pick up IR from TV remote.
Purple tie day for electromagnetic spectrum.
Showed power point on measuring.
Demo with hands in cold, room temp, hot water. People are poor measuring devices.
Tuesday, September 30, 2008
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